Search Results
Fine Jewelry University Articles matching: “european cut platinum”
Showing only FJU Article results. Click here to show all results.
Fine Jewelry University (Show All FJU Articles)
-
How to Value Inherited Jewelry
… diamond and gem prices are not readily available like precious metal prices are to the general public. The gold, platinum, and silver prices are well publicized. The diamond and gem wholesale trade keeps their prices confidential, so there …
-
Gem in the Spotlight: Aquamarine
… famous aquamarine is the incredible stone housed in Queen Elizabeth’s tiara. Her tiara is an exquisite piece of platinum jewelry that has evolved several times over the years. Having larger stones swapped in and exchanging her pendant for …Notable Aquamarine Gemstones The largest gem-quality aquamarine gemstone ever mined was 19 inches long. The largest cut aquamarine is named the Dom Pedro and is an astounding 10,363 carats. It measures 14 inches long and is currently on …
-
Measuring Gold Weight
… wrong. There is more trivia about gold weights. The troy system historically was used for measuring the weight of drugs, precious metals and gemstones. The name comes from the French city of Troyes. The noble metals (gold, silver and platinum) all use the troy system. A troy ounce is 20 pennyweights. The pennyweight was the weight of a silver penny in medieval England. When pennies were introduced in England in the 8th century, their original weight is believed to have …
-
Gem in the Spotlight: Emerald
… Chalk Emerald is a famous 37.8 carat emerald known for its clarity and rich green color. It was donated to the Smithsonian by Mr. and Mrs. O. Roy Chalk in 1972 and can be seen on display at the National Museum of Natural History in a platinum and gold ring surrounded by 60 pear-shaped diamonds. According to workers at the Muzo mine in Columbia, it is one of the finest green emeralds ever discovered Care and Cleaning of Emerald Like all precious gemstones, emeralds require …
-
Gold Purity and The Differences Between White and Yellow Gold
… by a careful choice of the alloying metals, which bleach the deep yellow of pure gold. It is interesting to note that white gold for engagement ring and wedding jewelry was originally developed in the 1920’s as a substitute for platinum. Nowadays, they are jewelry metals in their own right and currently very fashionable and desirable. White gold is available up to 21 karats. Most engagement rings are 14k or 18k. White gold is often used to enhance diamonds and other …
-
Brands and Designer Jewelry
… must meet the most stringent of quality standards. Jewelry brands must use quality metals (like high-karat gold and platinum), first-rate gems, and highly skilled jewelers to meet their obligation. Status When a jewelry brand reaches a level…Jewelry brands or designers have a high standard to live up to or they are abandoned. There is no excuse for poor execution, and most deliver the style and quality their followers expect. Style Jewelry styles must look good and be …
-
Jewelry Solder: What You Should Know
…that make up our jewelry are actually a mix of multiple different metals in different combinations called alloys. For the sake of simplicity, we will focus our discussion on gold jewelry, but the same concepts also apply to silver and platinum as well. If your ring is made out of 14 karat gold, you know that approximately 56% of it is gold with the rest being made up by a variety of different metals like silver, copper, nickel, and so on. Each of these other metals …
-
How Are Lab Grown Diamonds Made?
…G color, SI1 clarity CVD diamond will sparkle just as brilliantly as a G color, SI1 HPHT diamond (assuming they were cut to the same proportions of course). That’s where we come in. At Arden Jewelers we require each lab grown diamond … training and our in-house gem lab to evaluate every aspect of the lab grown diamonds we sell from the color, to the cut proportions, inclusions, and more. So, whether it’s natural, CVD, HPHT, or some new technology in the future, you …
-
Gem in the Spotlight: Ruby
…, and spinel have been mistaken for each other. Famously, the Black Prince Ruby (formerly thought of as the largest cut ruby) at the center of the British Imperial State Crown, is actually a red spinel. History and Lore of Ruby The first… in the world. Weighing in at 25.59 carats, this ruby may not be the largest ruby ever found, but its color and cut is unrivaled. It is the most famous ruby, and was originally mined in Myanmar. The Sunrise Ruby was eventually set by …
